Finding the Fourth Proportional to 1,662.96, 2,292.06 and 1,164.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.96 : 2,292.06 = 1,164.70 : x
2. Step 2: Convert to fraction form
   1,662.96/2,292.06 = 1,164.70/x
3. Step 3: Cross multiply
   1,662.96x = 2,292.06 × 1,164.70
4. Step 4: Simplify right side
   1,662.96x = 2,669,562.28
5. Step 5: Solve for x
   x = 2,669,562.28/1,662.96
6. Step 6: Final answer
   x = 1,605.31